#include<stdio.h>

int main()
{
	int n = 0;
	while (scanf("%d", &n) != EOF)
	{
		int i = 0;
		for (i = 0; i < n; i++)
		{
			int j = 0;
			for (j = 0; j <n; j++)
			{
				if (i == n - 1 || j == 0 || i == j)
				{
					printf("* ");
				}
				else
				{
					printf("  ");
				}
			}
			printf("\n");
		}
	}
	return 0;
}
/*int main()
{
	int n = 0;

	while (scanf("%d", &n) != EOF)
	{
		int i = 0;
		for (i = 0; i < n; i++)
		{
			int j = 0;
			for (j = 0; j < n; j++)
			{
				if (i == 0 || i == n - 1)
					printf("* ");
				else if (j == 0 || j == n - 1)
					printf("* ");
				else
					printf("  ");
			}
			printf("\n");
		}
	}
	return 0;
}*/



/*int main()
{
	int n = 0;
	while (scanf("%d", &n) != EOF)
	{
		int i = 0;
		for (i = 0; i < n; i++)
		{
			int j = 0;
			for (j = 0; j < n; j++)
			{
				if (i == j)
					printf("*");
				else if (i + j == n - 1)
					printf("*");
				else
					printf(" ");
			}
			printf("\n");
		}
	}
	return 0;
}*/



/*int main()
{
	int n = 0;
	while (scanf("%d", &n) != EOF)
	{
		int i = 0;
		for (i = 0; i < n; i++)
		{
			int j = 0;
			for (j = 0; j < n; j++)
			{
				if (i == j)
					printf("*");
				else
					printf(" ");
			}
			printf("\n");
		}
		
	}
	return 0;
}*/


/*int main()
{
	int n = 0;
	while (~scanf("%d", &n))
	{
		int i = 0;
		for (i = 0; i < n; i++)
		{
			int j = 0;
			for (j = 0; j < n - i; j++)
			{
				printf("  ");
			}
			for (j = 0; j <= i; j++)
			{
				printf("*");
			}
			printf("\n");
		}
		for (i = 0; i < n+1; i++)
		{
			int j = 0;
			for (j = 0; j < i; j++)
			{
				printf("  ");
			}
			for (j = 0; j <n+1-i; j++)
			{
				printf("*");
			}
			printf("\n");
		}

	}
	return 0;
}*/



/*int main()
{
	int n = 0;
	while (~scanf("%d", &n))
	{
		int i = 0;
		for (i = 0; i < n; i++)
		{
			int j = 0;
			for (j = 0; j < n - i; j++)
			{
				printf(" ");
			}

			for (j = 0; j <= i; j++)
			{
				printf("* ");
			}
			printf("\n");
		}
		for (i = 0; i < n; i++)
		{
			int j = 0;
			for (j = 0; j <=i+1; j++)
			{
				printf(" ");
			}

			for (j = 0; j <n - i-1; j++)
			{
				printf("* ");
			}
			printf("\n");
		}
	}
	return 0;
}*/




/*int main()
{
	int n = 0;
	while (scanf("%d", &n) != EOF)
	{
		int i = 0;

		for (i = 0; i < n; i++)
		{
			int j = 0;
			for (j = 0; j <= i ; j++)
			{
				printf(" ");

			}
			for (j = 0; j <n -i; j++)
			{
				printf("* ");
			}
			printf("\n");
		}
	}
	return 0;

}*/




/*int main()
{
	int n = 0;
	while (~scanf("%d", &n))
	{
		int i = 0;
		for (i = 0; i < n; i++)
		{
			int j = 0;
			for (j = 0; j < n; j++)
			{
				if (i + j < n - 1)
					printf("  ");
				else
					printf("* ");
			}
			printf("\n");
		}
	}
	return 0;
}*/

/*int main()
{
	int n = 0;
	while (scanf("%d", &n) != EOF)
	{
		int i = 0;
		
		for (i = 0; i < n; i++)
		{
			int j = 0;
			for (j = 0; j < n -1-i; j++)
			{
				printf("  ");

			}
			for (j = 0; j <=i; j++)
			{
				printf("* ");
			}
			printf("\n");
		}
	}
	return 0;

}*/



/*int main()
{
	int n = 0;
	while (scanf("%d", &n) != EOF)
	{
		int i = 0;

		for (i = 0; i < n; i++)
		{
			int j = 0;
			for (j = 0; j < n - i; j++)
			{
				printf("* ");

			}
			printf("\n");
		}
	}
	return 0;

}*/
